Family name Thupbucha (Thupbucha 
) , around the globe, is a very rare cognomen. The family name Thupbucha is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thupbucha | Thailand |
Smach, Bunthan, Suppharoek, Thammarak, and Natthapat